Shear



Jan. 22, 1957 SHEAR F. E. MUNSCHAUER Original Filed Oct. 6, 1948 c Io IZL IN V EN TOR.

' FkEDER/CAE. Mun/5cm (/5? nection with the drive shaft of the machine and any vertical movement of the guides incident to horizontal adjustment merely produces movement of the guides upwardly or downwardly along the engaging surfaces of the crosshead.

What is claimed is:

1. In a machine for shearing metal sheets and the like, a pair of end frame means and a bed extending therebetween and fixed rigidly thereto, said bed including a work table having a stationary lower shear knife fixed to the rear edge thereof, each of said end frame means comprising a pair of wall portions spaced in the direction of shearing, a reciprocable crosshead including an upper shear knife, means carried by each of said end frame means between the spaced walls thereof for guiding the opposite end portions of said crosshead in a generally vertical path of movement to effect shearing strokes, a pair of vertically spaced inclined guide surfaces between the spaced walls of each of said end frame means, and cooperating inclined guide surfaces on each of said crosshead guide means mounting the latter for movement along the inclined surfaces of said end frame means for adjusting the horizontal clearance between the shear knives, and means for locking the crosshead guide means in any desired position of lineal adjustment along said inclined surfaces.

2. In a machine for shearing metal sheets and the like,

a pair of end frame means and a bed extending therebetween and fixed rigidly thereto, said bed including a work table having a stationary lower shear knife fixed to the rear edge thereof, a reciprocable crosshead including an upper shear knife, means carried by each of said end frame means for guiding the opposite end portions of said crosshead in a generally vertical path of movement to effect shearing strokes, a pair of vertically spaced inclined guide surfaces on said end frame means and cooperating inclined guide surfaces on each of said crosshead guide means mounting the latter for movement along the inclined surfaces of said end frame means for adjusting the horizontal clearance between the shear knives, and means for locking the crosshead guide means in any desired position of lineal adjustment along said inclined sur faces.

References Cited in the file of this patent UNITED STATES PATENTS 786,592 Ohl Apr. 4, 1905 1,866,855 Kirsten July 12, 1932 2,321,741 Flowers June 15, 1943 2,339,641 Jensen Jan. 18, 1944 2,525,401 Dehn Apr. 10, 1950 2,593,144 Hercik Apr. 15, 1952 2,645,287 Munschauer July 14, 1953 

